247693836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{3301}}^1$

素因数の和:3371

約数の個数: 72

約数和(自身を含む): 642939024

約数和(自身を除く): 395245188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 169, 222, 338, 444, 481, 507, 676, 962, 1014, 1443, 1924, 2028, 2886, 3301, 5772, 6253, 6602, 9903, 12506, 13204, 18759, 19806, 25012, 37518, 39612, 42913, 75036, 85826, 122137, 128739, 171652, 244274, 257478, 366411, 488548, 514956, 557869, 732822, 1115738, 1465644, 1587781, 1673607, 2231476, 3175562, 3347214, 4763343, 6351124, 6694428, 9526686, 19053372, 20641153, 41282306, 61923459, 82564612, 123846918, 247693836]

約数ペア:

[(1, 247693836), (2, 123846918), (3, 82564612), (4, 61923459), (6, 41282306), (12, 20641153), (13, 19053372), (26, 9526686), (37, 6694428), (39, 6351124), (52, 4763343), (74, 3347214), (78, 3175562), (111, 2231476), (148, 1673607), (156, 1587781), (169, 1465644), (222, 1115738), (338, 732822), (444, 557869), (481, 514956), (507, 488548), (676, 366411), (962, 257478), (1014, 244274), (1443, 171652), (1924, 128739), (2028, 122137), (2886, 85826), (3301, 75036), (5772, 42913), (6253, 39612), (6602, 37518), (9903, 25012), (12506, 19806), (13204, 18759)]